Fushigi Yugi Eikoden (OAV) (2001)

At last! Taka Sukunami and long-time sweetheart Miaka Yuuki are happily married and expecting their first child, while the book of “Four Gods of Earth and Sky” is safely hidden.

But through a series of eerie coincidences, “Four Gods” finds Mayo Sakaki, a jealous high-school girl obsessed with Taka. After attending their wedding and hearing about Miaka's pregnancy, the desperate Mayo enters “Four Gods”, becoming the new Priestess of Suzuka; immediately Miaka collapses unconscious, and her unborn child disappears.

Now, Taka must return to the universe he came from, to embark on another quest - the only way to save Miaka and stop the mystical world of Konan from destruction!